you can never teach an old dog new

you can never teach an old dog new You can't teach an old dog new tricks. "You can't teach an old dog new tricks."意思 急you can't teach an old dog new tricks的英语情景对话 an old dog to learn a new a dog is never too old to learn new tricks Never teach a dog to 翻译：An old dog cannot learn new tricks. ()I have bought a new computer.Can you teach me ( you are never too old to dream a new dream I am an old dog can you teach me ()